Running exerciser structure

Details Running exerciser structure Running exerciser structure

2002-02-08

2003-07-01

Crow, Stephen R. (Department: 3712)

Exercise devices

Involving user translation or physical simulation thereof

Treadmill for foot travel

C482S051000

Reexamination Certificate

active

06585624

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention is related to a running exerciser structure. The running board frame of the running exerciser can be upward or downward inclined to form an upward slope, a downward slope or a plane face. Therefore, a user can upgrade or downgrade or horizontally run on the running board to exercise his/her body to different extents.
FIGS. 10 and 11
show a conventional running exerciser including a base seat
50
and a running board frame
51
pivotally mounted on the base seat
50
. Opposite caster supports
52
are pivotally mounted on rear end of the running board frame
51
. A linking mechanism (not shown) is drivingly connected between the caster supports
52
and the base seat
50
. The linking mechanism via a motor (not shown) is pivotally mounted on the base seat
50
. The motor serves to drive a threaded rod (not shown).
The motor drives the threaded rod to operate the caster supports
52
at rear end of the running board frame
51
and thus slightly change the inclination thereof. Such function is simple and the running exerciser can hardly provide advanced exercising effect for a user.
FIGS. 12 and 13
show another type of conventional running exerciser. A support leg
601
is disposed on one side of the base seat
60
. An upright column
61
is disposed on the other side of the base seat
60
. A cylinder
62
is mounted on the bottom of the upright column
61
. The cylinder
62
has a stem
621
connected with one end of a first link
63
. The other end of the first link
63
is pivotally connected with a second link
64
on a pivot section
651
under the running board
65
. The other end of the second link
64
is pivotally connected with the base seat
60
on a pivot section. The stem
621
of the cylinder
62
can extend to push the first link
63
and make the running board
65
pivot on the pivot section connecting the second link
64
with the base seat
60
. Accordingly, the front side of the running board
65
can be lifted to adjust the inclination thereof. Therefore, the running board
65
can be adjusted into an upward slope or a plane face for training a user. Such function is still simple and the running exerciser cannot achieve advanced exercising effect.
SUMMARY OF THE INVENTION
It is therefore a primary object of the present invention to provide a running exerciser structure. A front end of the running board frame is pivotally connected with a second board of a linking mechanism. When a driving motor of the linking mechanism drive a threaded rod to forward or backward rotate, a first and a second threaded bushes are moved along the threaded rod opposite to each other. At the same time, a first and a third links and a second and a fourth links are driven to move opposite to each other. The second board can be continuously ascended or descended and the running board frame is upward or downward inclined to form an upward slope, a downward slope or a plane face. Therefore, a user can upgrade or downgrade or horizontally run on the running board to exercise his/her body to different extents.


REFERENCES:
patent: 5184988 (1993-02-01), Dunham
patent: 5626538 (1997-05-01), Dalebout et al.
patent: 6273842 (2001-08-01), Wang et al.
patent: 6325745 (2001-12-01), Yu

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